@misc{indiciae13dfa61de6c2,
  title = {Development surveillance at 6 weeks.},
  author = {H B Valman},
  year = {1980},
  doi = {10.1136/bmj.280.6219.1000},
  url = {https://pubmed.ncbi.nlm.nih.gov/7417758/},
  note = {Source identifier: 7417758}
}